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Finding the Fourth Proportional to 26,703.51, 40,055.01 and 18,773.31

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Solution

The fourth proportional to 26,703.51, 40,055.01 and 18,773.31 is: 28,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.51 : 40,055.01 = 18,773.31 : x
  2. Step 2: Convert to fraction form
    26,703.51/40,055.01 = 18,773.31/x
  3. Step 3: Cross multiply
    26,703.51x = 40,055.01 × 18,773.31
  4. Step 4: Simplify right side
    26,703.51x = 751,965,025.92
  5. Step 5: Solve for x
    x = 751,965,025.92/26,703.51
  6. Step 6: Final answer
    x = 28,159.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.